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Official data from INPI

PROCESSO PARA PRODUCAO DE COQUE ATIVO E INSTALACAO PARA REALIZACAO DO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7901263

Type

Invention Patent

Filing

03/02/1978

Publication

-

Progress at the INPI

  1. Filing03/02/78
  2. Publication
  3. Examination
  4. Allowance10/25/83
  5. Grant05/29/84
  6. Terminated06/14/88

The patent was granted on 05/29/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RHEINISCHE BRAUNKOHLENW AG

Inventors

W. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

05/29/1984

RPI 710

Republicação - classificação IPC

#15.11

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

03/08/1983

RPI 646

6.2

08/10/1982

RPI 616

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